Transmission of actuation signals and data signals
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United States of America Patent
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Apr 24, 2018
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Nov 19, 2015
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Dec 5, 2014
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Abstract
The invention relates to a method for transmitting an actuation signal and a first data signal between a control device and an actuation device of a power semiconductor device. To minimize the expenditure for the operation of the physical transmission channels and the costs for the laying of the physical connection between control device and actuation device, the transmission of the actuation signal and the first data signal between the control device and the actuation device takes place simultaneously and via a common transmission channel, wherein the first data signal is combined with the actuation signal by means of a digital modulation method or coding method. A feedback signal and second data signal are transmitted in the opposite direction. A first coding length is shorter than the interval length of the actuation signal. A second coding length is shorter than the interval length of the feedback signal.
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